//
//  LYAngleTool.h
//  artist
//
//  Created by Jay_Apple on 16/3/7.
//  Copyright © 2016年 viviyoo. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface LYAngleTool : NSObject

CGFloat distanceBetweenPoints (CGPoint first, CGPoint second);

CGFloat angleBetweenPoints(CGPoint first, CGPoint second);

@end
